- peripheral - on or near an edge or constituting an outer boundary; the outer area; "Russia's peripheral provinces"; "peripheral suburbs"
Antonyms: central, amidship, bicentric, center, halfway, middle, midway, centric, centrical, focal, median, medial, middlemost, midmost, nuclear, bifocal, centered
- peripheral - related to the key issue but not of central importance; "a peripheral interest"; "energy is far from a peripheral issue in the economy"; "peripheral issues"
Antonym: basic (indirect, via incidental)
- peripheral, computer peripheral, peripheral device - (computer science) electronic equipment connected by cable to the CPU of a computer; "disk drives and printers are important peripherals"
--1 is a kind of electronic equipment
--1 is a part of
--1 has particulars: printercomputer, computing machine, computing device, data processor, electronic computer, information processing system